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Chapter 16: Problem 6

How are radioactive wastes produced, and what are the associated hazards?

Short Answer

Expert verified
Radioactive wastes are produced from the activities of nuclear power generation, nuclear medicine and scientific research. They are categorized into high-level, intermediate-level and low-level wastes based on their radioactivity levels. These wastes pose significant hazards due to their ionizing radiation, which can lead to health issues like cancer and environmental contamination. Proper waste management methods are essential to mitigate these hazards.

Step by step solution

01

Understanding Radioactive Waste

Radioactive waste is produced as a result of various activities, particularly in the domains of nuclear power generation, nuclear medicine and scientific research. It primarily arises from the nuclear fuel cycle, i.e., the series of industrial processes which involve the production of electricity from uranium in nuclear power reactors. Radioactive waste can have varying levels of radioactivity and may require different methods for containment and management.
02

Classifying the Production Process

Production of radioactive waste can be broken down into high-level waste, intermediate-level waste, and low-level waste. High-level waste primarily comes from the fuel in nuclear power reactors after it has been used and is no longer efficient. Intermediate-level waste comes from reactor components, filters, and chemical sludges. Low-level waste comes from reactor operations and decommissioning, containing lower amounts of radioactivity.
03

Explaining the Associated Hazards

The radioactive wastes pose a significant risk due to ionizing radiation, which can cause tissue damage and may lead to cancer or genetic defects in humans. They also pose an environmental risk if not managed properly. These hazards include soil, water, and air contamination.
04

Summarizing Mitigation Measures

To prevent these associated hazards, radioactive wastes must be managed properly. This involves waste minimization, segregation of waste types, treatment, conditioning, and final disposal in an appropriate facility.

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